Pulse or digital communications – Repeaters – Testing
Patent
1992-02-27
1995-01-17
Bocure, Tesfaldet
Pulse or digital communications
Repeaters
Testing
455 561, 455 332, H04B 138
Patent
active
053832213
ABSTRACT:
In a mobile radio system including at least one mobile station unit and a plurality of base station units, the mobile station unit communicates with a base station through time-division multiplexed control and communication channels. The mobile station unit includes a line quality detecting section for detecting the deterioration of the line quality occurring during communication, and a control section for controlling the entire unit. The control section includes a retrieval section which, when the deterioration of the line quality is detected by the line quality detecting section, interrupts current communication with a base station unit during a predetermined period, receives a control channel from another (new) base station unit during that period and then retrieves predetermined information, and a channel switching section which, when the predetermined information can be detected by the retrieval section, terminates the current communication with the base station and performs a process of connection to the new base station unit on the basis of the predetermined information.
REFERENCES:
patent: 4947452 (1990-08-01), Hattori et al.
patent: 5081704 (1992-01-01), Umeda et al.
patent: 5117502 (1992-05-01), Onoda et al.
Akita Yoshihiro
Shirakawa Masakazu
Bocure Tesfaldet
Kabushiki Kaisha Toshiba
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